*{
    margin: 0;
    padding: 0;
}
.w{
    width: 1200px;
    margin: 0 auto;
}
h1{
    margin: 0;
}
p{
    display: inline-block;
}
a{
    text-decoration: none;
    color: #999;
}
li{
    list-style: none;
}
/* 头部公共导航栏制作 */
.common-first{
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 9999999999;
    background-color: #fff;
   
    /* opacity: 0; */
}
.common-nav{
    position: relative;
    height: 72px;
    /* background-color: green; */
}
.common-nav .common-logo{
    display: block;
    position: absolute;
    left: 0px;
    top: 25px;
    /* background-color: red; */
}
.common-nav .common-logo h1{
    height: 22px;
    width: 168px;
    text-indent: -9999px;
    background: url(../images/common-nav-hover.png) no-repeat!important;
    background-size: 168px 22px!important;
}

.common-nav .common-menu{
    position: absolute;
    right: 220px;
    top: 0px;
    /* height: 72px; */
    cursor: pointer;
    /* background-color: red; */
}
.common-nav .common-menu .menu-items{
    display: inline-block;
    position: relative;
    height: 72px;
    margin-left: 72px;
    /* float: left; */
}
.common-nav .common-menu .menu-items .text{
    display: block;
    height: 72px;
    line-height: 72px;
    font-size: 16px;
    color: black;
    font-weight: bold;
    opacity: 0.95;
    position: relative;
    z-index: 2;
}
/* 下拉列表制作 */
.common-menu .menu-list{
    display: none;
    position: absolute;
    top: 72px;
    left: 50%;
    margin-left: -80px;
    width: 160px;
    /* background-color: #fff; */
    text-align: center;
}
.common-menu .menu-list a{
    display: block;
    font-size: 16px;
    color: #2b2e2e;
    opacity: 0.7;
    padding: 13px 0;
}
.common-menu .menu-list a:hover{
    opacity: 1;
}

/* 头部右边制作 */
.common-nav .common-chosefont{
    position: absolute;
    right: 0px;
    top: 25px;
    font-size: 16px;
    color: black;
    opacity: 0.7;
    font-family: "PingFangSC-Regular";
}
.common-nav .common-chosefont a{
    color: black;
}
.common-nav .common-chosefont .s_line{
    display: inline-block;
    font-size: 12px;
    margin: 0px 3px;
    position: relative;
    top: -2px;
    opacity: 0.7;
}

/* 公共演示尾部制作 */
.common-foot{
    width: 100%;
    background-color: #fbfbfb;
}
.common-foot .common-text{
    position: relative;
    height: 480px;
    /* background-color: red; */
}
.common-foot .common-text .focus-us{
    height: 55px;
    width: 100%;
    border-bottom: 1px solid #f2f3f5;
    padding-top: 33px;
    margin-bottom: 40px;
}
.common-foot .common-text .focus-us h1{
    float: left;
    margin-right: 33px;
    font-size: 20px;
    color: #5f6464;
    font-weight: normal;
    margin-bottom: 30px;
}
.common-foot .common-text .focus-us ul{
    float: left;
}
.common-foot .common-text .focus-us ul li{
    float: left;
    margin-right: 28px;
}
.common-foot .common-text .focus-us a{
    display: block;
}

.common-foot .common-text .focus-us .icon{
    display: block;
    height: 28px;
    width: 28px;
    /* background-color: pink; */
    position: relative;
    transition: background 0.2s ease-in-out;
}
/* 微信二维码 */
.common-foot .common-text .focus-us .wechat-code-btn{
    position: relative;
}
.common-foot .common-text .focus-us .wechat-code-btn .wechat-code{
    width: 176px;
    position: absolute;
    left: 0;
    top: -186px;
    z-index: 2;
    display: block;
    opacity: 0;
    transition: opacity 0.2s linear;
    pointer-events: none;
}
.common-foot .common-text .focus-us .wechat-code-btn:hover  .wechat-code{
    opacity: 1;
}
.common-foot .common-text .focus-us .wechat{
    background: url(../images/icon_wechat.png) no-repeat center ;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us .weibo{
    background: url(../images/icon_weibo.png) no-repeat center;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us .twitter{
    background: url(../images/icon_twitter.png) no-repeat center;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us .mi{
    background: url(../images/icon_in.png) no-repeat center;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us a:hover .wechat{
    background: url(../images/icon_wechat_hover.png) no-repeat center ;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us a:hover .weibo{
    background: url(../images/icon_weibo_hover.png) no-repeat center;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us a:hover .twitter{
    background: url(../images/icon_twitter_hover.png) no-repeat center;
    background-size: 100% 100%;
}
.common-foot .common-text .focus-us a:hover .mi{
    background: url(../images/icon_in_hover.png) no-repeat center;
    background-size: 100% 100%;
}
.common-foot .common-text .footer-center{
    float: left;
    width: 160px;
}
.common-foot .common-text .footer-center .title{
    font-size: 20px;
    color: #5f6464;
    font-weight: normal;
    margin-bottom: 30px;
}
.common-foot .common-text .footer-center li a{
    display: block;
    font-size: 16px;
    color: #5f6464;
    font-weight: normal;
    margin-bottom: 18px;
}
.common-foot .common-text .footer-logo{
    display: block;
    height: 28px;
    width: 212px;
    position: absolute;
    right: 75px;
    top: 50%;
    margin-top: -21px;
}
.common-foot .common-text .footer-logo img{
    width: 100%;
}
.common-foot .common-text .footer-company{
    width: 100%;
    position: absolute;
    bottom: 51px;
    left: 0px;
    font-size: 14px;
    color: #5f6464;
    margin-bottom: 0px;
}
.common-foot .common-text .footer-company ul li {
    float: left;
    margin-right: 20px;
}
.common-foot .common-text .footer-company  a{
    font-size: 14px;
    color: #5f6464;
    margin-bottom: 0px;
}
.common-foot .common-text .footer-company  .copyright{
    font-size: 14px;
    color: #5f6464;
    float: right;
}
